207980860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{335453}}^1$

素因数の和:335493

約数の個数: 24

約数和(自身を含む): 450850176

約数和(自身を除く): 242869316

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 335453, 670906, 1341812, 1677265, 3354530, 6709060, 10399043, 20798086, 41596172, 51995215, 103990430, 207980860]

約数ペア:

[(1, 207980860), (2, 103990430), (4, 51995215), (5, 41596172), (10, 20798086), (20, 10399043), (31, 6709060), (62, 3354530), (124, 1677265), (155, 1341812), (310, 670906), (620, 335453)]